Science is rarely certain on its first go. Here are some 2022 findings that await confirmation.
and confirm that the species walked upright, scientists reported . That conclusion cements the species’ status as the earliest known hominid, those scientists argue. Other proposed early hominids are much younger, dating from about. But some scientists say the 7-million-year-old bones don’t clearly point to a two-legged gait and belonged instead to an ancient ape. With all the uncertainty, these findings may yet be walked back.
. These clumps seem to last for a fleeting instant, less than a billionth of a trillionth of a second in an experiment reported this year. Studying the clusters could be a boon to researchers who want to know how neutrons behave within atomic nuclei. But disagreements among various theoretical calculations leave some experts unconvinced that tetraneutrons even exist.
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